[ 26.702919][ T255] [ 26.703017][ T255] ===================================== [ 26.703152][ T255] WARNING: bad unlock balance detected! [ 26.703289][ T255] 6.12.0-rc5-virtme #1 Not tainted [ 26.703418][ T255] ------------------------------------- [ 26.703547][ T255] ip/255 is trying to release lock (rtnl_mutex) at: [ 26.703706][ T255] [] __rtnl_unlock+0x69/0xf0 [ 26.703871][ T255] but there are no more locks to release! [ 26.703996][ T255] [ 26.703996][ T255] other info that might help us debug this: [ 26.704182][ T255] no locks held by ip/255. [ 26.704311][ T255] [ 26.704311][ T255] stack backtrace: [ 26.704467][ T255] CPU: 1 UID: 0 PID: 255 Comm: ip Not tainted 6.12.0-rc5-virtme #1 [ 26.704659][ T255] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.704942][ T255] Call Trace: [ 26.705045][ T255] [ 26.705114][ T255] dump_stack_lvl+0x82/0xd0 [ 26.705253][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.705385][ T255] print_unlock_imbalance_bug+0x1aa/0x1f0 [ 26.705518][ T255] __lock_release+0x2f7/0x460 [ 26.705649][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.705780][ T255] ? __rtnl_unlock+0x69/0xf0 [ 26.705907][ T255] lock_release+0xd7/0x140 [ 26.706034][ T255] __mutex_unlock_slowpath+0x8f/0x3b0 [ 26.706164][ T255] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 26.706299][ T255] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 26.706457][ T255] ? rtnl_link_ops_get+0x187/0x220 [ 26.706592][ T255] __rtnl_unlock+0x69/0xf0 [ 26.706719][ T255] rtnl_newlink+0x7fd/0xa30 [ 26.706848][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.706975][ T255] ? find_held_lock+0x2c/0x110 [ 26.707105][ T255] ? __lock_release+0x103/0x460 [ 26.707235][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.707365][ T255] ? __pfx___lock_release+0x10/0x10 [ 26.707501][ T255] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 26.707629][ T255] ? __pfx_rtnl_newlink+0x10/0x10 [ 26.707756][ T255] rtnetlink_rcv_msg+0x712/0xc10 [ 26.707888][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.708018][ T255] ? hlock_class+0x4e/0x130 [ 26.708147][ T255] ? mark_lock+0x38/0x3e0 [ 26.708244][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.708373][ T255] netlink_rcv_skb+0x130/0x360 [ 26.708504][ T255] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 26.708636][ T255] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 26.708767][ T255] ? netlink_deliver_tap+0x13e/0x340 [ 26.708897][ T255] ? netlink_deliver_tap+0xc3/0x340 [ 26.709024][ T255] netlink_unicast+0x44b/0x710 [ 26.709154][ T255] ? __pfx_netlink_unicast+0x10/0x10 [ 26.709282][ T255] ? find_held_lock+0x2c/0x110 [ 26.709411][ T255] netlink_sendmsg+0x723/0xbe0 [ 26.709539][ T255] ? __pfx_netlink_sendmsg+0x10/0x10 [ 26.709670][ T255] ____sys_sendmsg+0x7ac/0xa10 [ 26.709798][ T255] ? __pfx_____sys_sendmsg+0x10/0x10 [ 26.709928][ T255] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 26.710085][ T255] ? hlock_class+0x4e/0x130 [ 26.710215][ T255] ? validate_chain+0x130/0x9b0 [ 26.710343][ T255] ___sys_sendmsg+0xee/0x170 [ 26.710471][ T255] ? __pfx_validate_chain+0x10/0x10 [ 26.710598][ T255] ? __pfx____sys_sendmsg+0x10/0x10 [ 26.710729][ T255] ? __lock_acquire+0xb3f/0x1580 [ 26.710863][ T255] ? find_held_lock+0x2c/0x110 [ 26.710994][ T255] ? __lock_release+0x103/0x460 [ 26.711123][ T255] ? __might_fault+0x11b/0x170 [ 26.711258][ T255] ? fdget+0x52/0x1e0 [ 26.711355][ T255] ? lock_acquire+0x32/0xc0 [ 26.711484][ T255] __sys_sendmsg+0xcd/0x170 [ 26.711611][ T255] ? __pfx___sys_sendmsg+0x10/0x10 [ 26.711739][ T255] ? rseq_update_cpu_node_id+0xe6/0x140 [ 26.711876][ T255] do_syscall_64+0xc1/0x1d0 [ 26.712010][ T255] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.712171][ T255] RIP: 0033:0x7f6323b947b7 [ 26.712306][ T255] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 26.712752][ T255] RSP: 002b:00007ffe43eecac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 26.712946][ T255] RAX: ffffffffffffffda RBX: 00007ffe43eed1f0 RCX: 00007f6323b947b7 [ 26.713137][ T255] RDX: 0000000000000000 RSI: 00007ffe43eecb30 RDI: 0000000000000005 [ 26.713338][ T255] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 26.713531][ T255] R10: 00007f6323a4d708 R11: 0000000000000246 R12: 00007ffe43eed208 [ 26.713719][ T255] R13: 00000000672a316a R14: 0000000000496600 R15: 00007ffe43eecc18 [ 26.713914][ T255] [ 247.089557][ T43] INFO: task ip:255 blocked for more than 122 seconds. [ 247.090117][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 247.090260][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.090490][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 247.090737][ T43] Call Trace: [ 247.090837][ T43] [ 247.090910][ T43] __schedule+0xa19/0x1dc0 [ 247.091046][ T43] ? __pfx___schedule+0x10/0x10 [ 247.091168][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.091289][ T43] ? trace_lock_release+0x10e/0x180 [ 247.091431][ T43] schedule+0xdf/0x210 [ 247.091543][ T43] schedule_preempt_disabled+0x15/0x30 [ 247.091658][ T43] __mutex_lock+0x634/0xac0 [ 247.091777][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.091900][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 247.092051][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 247.092166][ T43] ? rtnl_newlink+0x64b/0xa30 [ 247.092279][ T43] rtnl_newlink+0x64b/0xa30 [ 247.092406][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.092519][ T43] ? find_held_lock+0x2c/0x110 [ 247.092647][ T43] ? __pfx___lock_release+0x10/0x10 [ 247.092762][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 247.092876][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 247.093007][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 247.093127][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.093243][ T43] ? hlock_class+0x4e/0x130 [ 247.093365][ T43] ? mark_lock+0x38/0x3e0 [ 247.093460][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.093598][ T43] netlink_rcv_skb+0x130/0x360 [ 247.093718][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 247.093828][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 247.093947][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 247.094062][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 247.094177][ T43] netlink_unicast+0x44b/0x710 [ 247.094291][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 247.094421][ T43] ? find_held_lock+0x2c/0x110 [ 247.094542][ T43] netlink_sendmsg+0x723/0xbe0 [ 247.094657][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 247.094773][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 247.094890][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 247.095008][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 247.095151][ T43] ? hlock_class+0x4e/0x130 [ 247.095263][ T43] ? validate_chain+0x130/0x9b0 [ 247.095379][ T43] ___sys_sendmsg+0xee/0x170 [ 247.095502][ T43] ? __pfx_validate_chain+0x10/0x10 [ 247.095613][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 247.095728][ T43] ? __lock_acquire+0xb3f/0x1580 [ 247.095847][ T43] ? find_held_lock+0x2c/0x110 [ 247.095966][ T43] ? __lock_release+0x103/0x460 [ 247.096082][ T43] ? __might_fault+0x11b/0x170 [ 247.096199][ T43] ? fdget+0x52/0x1e0 [ 247.096286][ T43] ? lock_acquire+0x32/0xc0 [ 247.096407][ T43] __sys_sendmsg+0xcd/0x170 [ 247.096522][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 247.096635][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 247.096757][ T43] do_syscall_64+0xc1/0x1d0 [ 247.096871][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 247.097015][ T43] RIP: 0033:0x7f6323b947b7 [ 247.097135][ T43] RSP: 002b:00007ffe43eecac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 247.097304][ T43] RAX: ffffffffffffffda RBX: 00007ffe43eed1f0 RCX: 00007f6323b947b7 [ 247.097488][ T43] RDX: 0000000000000000 RSI: 00007ffe43eecb30 RDI: 0000000000000005 [ 247.097657][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 247.097824][ T43] R10: 00007f6323a4d708 R11: 0000000000000246 R12: 00007ffe43eed208 [ 247.097990][ T43] R13: 00000000672a316a R14: 0000000000496600 R15: 00007ffe43eecc18 [ 247.098159][ T43] [ 247.098257][ T43] INFO: lockdep is turned off. [ 369.969528][ T43] INFO: task kworker/u16:0:11 blocked for more than 122 seconds. [ 369.970152][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.970259][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.970460][ T43] task:kworker/u16:0 state:D stack:29584 pid:11 tgid:11 ppid:2 flags:0x00004000 [ 369.970692][ T43] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.970854][ T43] Call Trace: [ 369.970940][ T43] [ 369.971000][ T43] __schedule+0xa19/0x1dc0 [ 369.971115][ T43] ? __pfx___schedule+0x10/0x10 [ 369.971248][ T43] ? __lock_release+0x103/0x460 [ 369.971372][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.971484][ T43] ? trace_lock_release+0x10e/0x180 [ 369.971593][ T43] schedule+0xdf/0x210 [ 369.971676][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.971793][ T43] __mutex_lock+0x634/0xac0 [ 369.971904][ T43] ? do_raw_spin_unlock+0x58/0x220 [ 369.972010][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.972117][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.972233][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972346][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.972454][ T43] ? addrconf_verify_work+0x12/0x30 [ 369.972561][ T43] addrconf_verify_work+0x12/0x30 [ 369.972669][ T43] process_one_work+0xe55/0x16d0 [ 369.972783][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.972890][ T43] ? __pfx_process_one_work+0x10/0x10 [ 369.972998][ T43] ? assign_work+0x16c/0x240 [ 369.973107][ T43] worker_thread+0x58c/0xce0 [ 369.973218][ T43] ? __pfx_worker_thread+0x10/0x10 [ 369.973329][ T43] kthread+0x28a/0x350 [ 369.973414][ T43] ? __pfx_kthread+0x10/0x10 [ 369.973527][ T43] ret_from_fork+0x31/0x70 [ 369.973639][ T43] ? __pfx_kthread+0x10/0x10 [ 369.973745][ T43] ret_from_fork_asm+0x1a/0x30 [ 369.973858][ T43] [ 369.973961][ T43] INFO: task ip:255 blocked for more than 245 seconds. [ 369.974088][ T43] Not tainted 6.12.0-rc5-virtme #1 [ 369.974192][ T43] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.974387][ T43] task:ip state:D stack:25792 pid:255 tgid:255 ppid:241 flags:0x00004002 [ 369.974605][ T43] Call Trace: [ 369.974685][ T43] [ 369.974741][ T43] __schedule+0xa19/0x1dc0 [ 369.974849][ T43] ? __pfx___schedule+0x10/0x10 [ 369.974956][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975066][ T43] ? trace_lock_release+0x10e/0x180 [ 369.975174][ T43] schedule+0xdf/0x210 [ 369.975259][ T43] schedule_preempt_disabled+0x15/0x30 [ 369.975372][ T43] __mutex_lock+0x634/0xac0 [ 369.975481][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975593][ T43] ? __pfx___mutex_lock+0x10/0x10 [ 369.975700][ T43] ? trace_lock_acquire+0x14d/0x1f0 [ 369.975810][ T43] ? rtnl_newlink+0x64b/0xa30 [ 369.975922][ T43] rtnl_newlink+0x64b/0xa30 [ 369.976032][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976139][ T43] ? find_held_lock+0x2c/0x110 [ 369.976252][ T43] ? __pfx___lock_release+0x10/0x10 [ 369.976366][ T43] ? rtnetlink_rcv_msg+0x6ef/0xc10 [ 369.976475][ T43] ? __pfx_rtnl_newlink+0x10/0x10 [ 369.976583][ T43] rtnetlink_rcv_msg+0x712/0xc10 [ 369.976690][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.976795][ T43] ? hlock_class+0x4e/0x130 [ 369.976907][ T43] ? mark_lock+0x38/0x3e0 [ 369.976989][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.977102][ T43] netlink_rcv_skb+0x130/0x360 [ 369.977215][ T43] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 369.977327][ T43] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 369.977440][ T43] ? netlink_deliver_tap+0x13e/0x340 [ 369.977545][ T43] ? netlink_deliver_tap+0xc3/0x340 [ 369.977653][ T43] netlink_unicast+0x44b/0x710 [ 369.977761][ T43] ? __pfx_netlink_unicast+0x10/0x10 [ 369.977870][ T43] ? find_held_lock+0x2c/0x110 [ 369.977981][ T43] netlink_sendmsg+0x723/0xbe0 [ 369.978089][ T43] ? __pfx_netlink_sendmsg+0x10/0x10 [ 369.978199][ T43] ____sys_sendmsg+0x7ac/0xa10 [ 369.978330][ T43] ? __pfx_____sys_sendmsg+0x10/0x10 [ 369.978437][ T43] ? __pfx_copy_msghdr_from_user+0x10/0x10 [ 369.978571][ T43] ? hlock_class+0x4e/0x130 [ 369.978679][ T43] ? validate_chain+0x130/0x9b0 [ 369.978789][ T43] ___sys_sendmsg+0xee/0x170 [ 369.978900][ T43] ? __pfx_validate_chain+0x10/0x10 [ 369.979005][ T43] ? __pfx____sys_sendmsg+0x10/0x10 [ 369.979114][ T43] ? __lock_acquire+0xb3f/0x1580 [ 369.979223][ T43] ? find_held_lock+0x2c/0x110 [ 369.979339][ T43] ? __lock_release+0x103/0x460 [ 369.979448][ T43] ? __might_fault+0x11b/0x170 [ 369.979558][ T43] ? fdget+0x52/0x1e0 [ 369.979641][ T43] ? lock_acquire+0x32/0xc0 [ 369.979752][ T43] __sys_sendmsg+0xcd/0x170 [ 369.979864][ T43] ? __pfx___sys_sendmsg+0x10/0x10 [ 369.979969][ T43] ? rseq_update_cpu_node_id+0xe6/0x140 [ 369.980082][ T43] do_syscall_64+0xc1/0x1d0 [ 369.980197][ T43] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 369.980339][ T43] RIP: 0033:0x7f6323b947b7 [ 369.980453][ T43] RSP: 002b:00007ffe43eecac8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 369.980613][ T43] RAX: ffffffffffffffda RBX: 00007ffe43eed1f0 RCX: 00007f6323b947b7 [ 369.980779][ T43] RDX: 0000000000000000 RSI: 00007ffe43eecb30 RDI: 0000000000000005 [ 369.980936][ T43] RBP: 0000000000000003 R08: 000000000000005c R09: 0000000000000002 [ 369.981094][ T43] R10: 00007f6323a4d708 R11: 0000000000000246 R12: 00007ffe43eed208 [ 369.981270][ T43] R13: 00000000672a316a R14: 0000000000496600 R15: 00007ffe43eecc18 [ 369.981436][ T43] [ 369.981522][ T43] INFO: lockdep is turned off. HARD STOP (368.654237) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr